एपीए उद्धरण

FAO. (1997). FAO agricultural services bulletin; N128: Renewable biological systems for alternative sustainable energy production. Rome: FAO.

शिकागो स्टाइल उद्धरण

FAO. FAO Agricultural Services Bulletin; N128: Renewable Biological Systems for Alternative Sustainable Energy Production. Rome: FAO, 1997.

एमएलए उद्धरण

FAO. FAO Agricultural Services Bulletin; N128: Renewable Biological Systems for Alternative Sustainable Energy Production. Rome: FAO, 1997.